mercurial-scm/hg: mercurial/revlog.py annotate

annotate mercurial/revlog.py @ 17975:c56b5b65430d

revlog: allow reverse iteration with revlog.revs We often need to perform rev iteration in reverse order. This changeset makes it possible to do so, in order to avoid costly reverse or reversed() calls later.

author	Pierre-Yves David <pierre-yves.david@logilab.fr>
date	Wed, 21 Nov 2012 00:42:05 +0100
parents	7ef00d09ef35
children	f88c60e740a1

rev	line source
8226 8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	1 # revlog.py - storage back-end for mercurial
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	2 #
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	4 #
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	5 # This software may be used and distributed according to the terms of the
10263 25e572394f5c Update license to GPLv2+ Matt Mackall <mpm@selenic.com> parents: 10047 diff changeset	6 # GNU General Public License version 2 or any later version.
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	7
8227 0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	8 """Storage back-end for Mercurial.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	9
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	10 This provides efficient delta storage with O(1) retrieve and append
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	11 and O(changes) merge between branches.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	12 """
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	13
7873 4a4c7f6a5912 cleanup: drop unused imports Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7633 diff changeset	14 # import stuff from node for others to import from revlog
14393 bdf44e63a94c revlog: stop exporting node.short Matt Mackall <mpm@selenic.com> parents: 14371 diff changeset	15 from node import bin, hex, nullid, nullrev
3891 6b4127c7d52a Simplify i18n imports Matt Mackall <mpm@selenic.com> parents: 3877 diff changeset	16 from i18n import _
14365 a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	17 import ancestor, mdiff, parsers, error, util, dagutil
16834 cafd8a8fb713 util: subclass deque for Python 2.4 backwards compatibility Bryan O'Sullivan <bryano@fb.com> parents: 16803 diff changeset	18 import struct, zlib, errno
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	19
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	20 _pack = struct.pack
3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	21 _unpack = struct.unpack
3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	22 _compress = zlib.compress
3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	23 _decompress = zlib.decompress
6470 ac0bcd951c2c python 2.6 compatibility: compatibility wrappers for hash functions Dirkjan Ochtman <dirkjan@ochtman.nl> parents: 6264 diff changeset	24 _sha = util.sha1
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	25
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	26 # revlog header flags
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	27 REVLOGV0 = 0
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	28 REVLOGNG = 1
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	29 REVLOGNGINLINEDATA = (1 << 16)
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	30 REVLOGGENERALDELTA = (1 << 17)
2222 c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	31 REVLOG_DEFAULT_FLAGS = REVLOGNGINLINEDATA
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	32 REVLOG_DEFAULT_FORMAT = REVLOGNG
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	33 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT \| REVLOG_DEFAULT_FLAGS
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	34 REVLOGNG_FLAGS = REVLOGNGINLINEDATA \| REVLOGGENERALDELTA
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	35
46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	36 # revlog index flags
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	37 REVIDX_KNOWN_FLAGS = 0
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	38
10916 9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	39 # max size of revlog with inline data
9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	40 _maxinline = 131072
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	41 _chunksize = 1048576
10913 f2ecc5733c89 revlog: factor out _maxinline global. Greg Ward <greg-hg@gerg.ca> parents: 10404 diff changeset	42
7633 08cabecfa8a8 errors: move revlog errors Matt Mackall <mpm@selenic.com> parents: 7365 diff changeset	43 RevlogError = error.RevlogError
08cabecfa8a8 errors: move revlog errors Matt Mackall <mpm@selenic.com> parents: 7365 diff changeset	44 LookupError = error.LookupError
6703 bacfee67c1a9 LookupError should have same __str__ as RevlogError Alexander Solovyov <piranha@piranha.org.ua> parents: 6700 diff changeset	45
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	46 def getoffset(q):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	47 return int(q >> 16)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	48
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	49 def gettype(q):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	50 return int(q & 0xFFFF)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	51
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	52 def offset_type(offset, type):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	53 return long(long(offset) << 16 \| type)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	54
7883 c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	55 nullhash = _sha(nullid)
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	56
1091 d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	57 def hash(text, p1, p2):
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	58 """generate a hash from the given text and its parent hashes
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	59
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	60 This hash combines both the current file contents and its history
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	61 in a manner that makes it easy to distinguish nodes with the same
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	62 content in the revision graph.
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	63 """
7883 c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	64 # As of now, if one of the parent node is null, p2 is null
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	65 if p2 == nullid:
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	66 # deep copy of a hash is faster than creating one
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	67 s = nullhash.copy()
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	68 s.update(p1)
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	69 else:
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	70 # none of the parent nodes are nullid
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	71 l = [p1, p2]
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	72 l.sort()
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	73 s = _sha(l[0])
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	74 s.update(l[1])
1091 d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	75 s.update(text)
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	76 return s.digest()
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	77
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	78 def decompress(bin):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	79 """ decompress the given input """
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	80 if not bin:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	81 return bin
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	82 t = bin[0]
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	83 if t == '\0':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	84 return bin
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	85 if t == 'x':
16883 5e3a1b96dbb0 revlog: zlib.error sent to the user (issue3424) Brad Hall <bhall@fb.com> parents: 16834 diff changeset	86 try:
5e3a1b96dbb0 revlog: zlib.error sent to the user (issue3424) Brad Hall <bhall@fb.com> parents: 16834 diff changeset	87 return _decompress(bin)
5e3a1b96dbb0 revlog: zlib.error sent to the user (issue3424) Brad Hall <bhall@fb.com> parents: 16834 diff changeset	88 except zlib.error, e:
5e3a1b96dbb0 revlog: zlib.error sent to the user (issue3424) Brad Hall <bhall@fb.com> parents: 16834 diff changeset	89 raise RevlogError(_("revlog decompress error: %s") % str(e))
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	90 if t == 'u':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	91 return bin[1:]
1853 5ac811b720de Fix some problems when working on broken repositories: Thomas Arendsen Hein <thomas@intevation.de> parents: 1784 diff changeset	92 raise RevlogError(_("unknown compression type %r") % t)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	93
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	94 indexformatv0 = ">4l20s20s20s"
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	95 v0shaoffset = 56
4918 e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4746 diff changeset	96
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	97 class revlogoldio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	98 def __init__(self):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	99 self.size = struct.calcsize(indexformatv0)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	100
13264 8439526fb407 revlog/parseindex: no need to pass the file around Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13259 diff changeset	101 def parseindex(self, data, inline):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	102 s = self.size
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	103 index = []
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	104 nodemap = {nullid: nullrev}
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	105 n = off = 0
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	106 l = len(data)
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	107 while off + s <= l:
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	108 cur = data[off:off + s]
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	109 off += s
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	110 e = _unpack(indexformatv0, cur)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	111 # transform to revlogv1 format
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	112 e2 = (offset_type(e[0], 0), e[1], -1, e[2], e[3],
5544 686899a7de5b revlog: make revlogv0 loading more robust against corruption Matt Mackall <mpm@selenic.com> parents: 5453 diff changeset	113 nodemap.get(e[4], nullrev), nodemap.get(e[5], nullrev), e[6])
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	114 index.append(e2)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	115 nodemap[e[6]] = n
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	116 n += 1
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	117
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	118 # add the magic null revision at -1
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	119 index.append((0, 0, 0, -1, -1, -1, -1, nullid))
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	120
4983 4dbcfc6e359e revlog: pull chunkcache back into revlog Matt Mackall <mpm@selenic.com> parents: 4982 diff changeset	121 return index, nodemap, None
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	122
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	123 def packentry(self, entry, node, version, rev):
10395 ea52a2d4f42c revlog: don't silently discard revlog flags on revlogv0 Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10329 diff changeset	124 if gettype(entry[0]):
ea52a2d4f42c revlog: don't silently discard revlog flags on revlogv0 Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10329 diff changeset	125 raise RevlogError(_("index entry flags need RevlogNG"))
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	126 e2 = (getoffset(entry[0]), entry[1], entry[3], entry[4],
58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	127 node(entry[5]), node(entry[6]), entry[7])
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	128 return _pack(indexformatv0, *e2)
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	129
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	130 # index ng:
11323 d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	131 # 6 bytes: offset
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	132 # 2 bytes: flags
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	133 # 4 bytes: compressed length
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	134 # 4 bytes: uncompressed length
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	135 # 4 bytes: base rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	136 # 4 bytes: link rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	137 # 4 bytes: parent 1 rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	138 # 4 bytes: parent 2 rev
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	139 # 32 bytes: nodeid
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	140 indexformatng = ">Qiiiiii20s12x"
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	141 ngshaoffset = 32
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	142 versionformat = ">I"
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	143
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	144 class revlogio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	145 def __init__(self):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	146 self.size = struct.calcsize(indexformatng)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	147
13264 8439526fb407 revlog/parseindex: no need to pass the file around Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13259 diff changeset	148 def parseindex(self, data, inline):
7109 528b7fc1216c use the new parseindex implementation C in parsers Bernhard Leiner <bleiner@gmail.com> parents: 7089 diff changeset	149 # call the C implementation to parse the index data
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	150 index, cache = parsers.parse_index2(data, inline)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	151 return index, getattr(index, 'nodemap', None), cache
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	152
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	153 def packentry(self, entry, node, version, rev):
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	154 p = _pack(indexformatng, *entry)
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	155 if rev == 0:
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	156 p = _pack(versionformat, version) + p[4:]
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	157 return p
58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	158
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	159 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	160 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	161 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	162
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	163 A revlog consists of two parts, an index and the revision data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	164
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	165 The index is a file with a fixed record size containing
6912 b92baef99ebf Fixed docstring typos Martin Geisler <mg@daimi.au.dk> parents: 6891 diff changeset	166 information on each revision, including its nodeid (hash), the
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	167 nodeids of its parents, the position and offset of its data within
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	168 the data file, and the revision it's based on. Finally, each entry
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	169 contains a linkrev entry that can serve as a pointer to external
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	170 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	171
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	172 The revision data itself is a linear collection of data chunks.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	173 Each chunk represents a revision and is usually represented as a
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	174 delta against the previous chunk. To bound lookup time, runs of
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	175 deltas are limited to about 2 times the length of the original
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	176 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	177 its size, or O(1) relative to the number of revisions.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	178
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	179 Both pieces of the revlog are written to in an append-only
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	180 fashion, which means we never need to rewrite a file to insert or
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	181 remove data, and can use some simple techniques to avoid the need
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	182 for locking while reading.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	183 """
14251 258fbccf22f5 revlog: remove the last bits of punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14219 diff changeset	184 def __init__(self, opener, indexfile):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	185 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	186 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	187
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	188 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	189 and can be used to implement COW semantics or the like.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	190 """
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	191 self.indexfile = indexfile
4257 1b5c38e9d7aa revlog: don't pass datafile as an argument Matt Mackall <mpm@selenic.com> parents: 4224 diff changeset	192 self.datafile = indexfile[:-2] + ".d"
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	193 self.opener = opener
4984 b4066fcbd6ba revlog: mark cache private Matt Mackall <mpm@selenic.com> parents: 4983 diff changeset	194 self._cache = None
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	195 self._basecache = (0, 0)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	196 self._chunkcache = (0, '')
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	197 self.index = []
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	198 self._pcache = {}
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	199 self._nodecache = {nullid: nullrev}
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	200 self._nodepos = None
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	201
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	202 v = REVLOG_DEFAULT_VERSION
14960 497819817307 revlog: use getattr instead of hasattr Augie Fackler <durin42@gmail.com> parents: 14549 diff changeset	203 opts = getattr(opener, 'options', None)
497819817307 revlog: use getattr instead of hasattr Augie Fackler <durin42@gmail.com> parents: 14549 diff changeset	204 if opts is not None:
497819817307 revlog: use getattr instead of hasattr Augie Fackler <durin42@gmail.com> parents: 14549 diff changeset	205 if 'revlogv1' in opts:
497819817307 revlog: use getattr instead of hasattr Augie Fackler <durin42@gmail.com> parents: 14549 diff changeset	206 if 'generaldelta' in opts:
14333 31a5973fcf96 revlog: get rid of defversion Sune Foldager <cryo@cyanite.org> parents: 14325 diff changeset	207 v \|= REVLOGGENERALDELTA
31a5973fcf96 revlog: get rid of defversion Sune Foldager <cryo@cyanite.org> parents: 14325 diff changeset	208 else:
31a5973fcf96 revlog: get rid of defversion Sune Foldager <cryo@cyanite.org> parents: 14325 diff changeset	209 v = 0
11928 b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	210
8314 57a41c08feab revlog: preread revlog .i file Matt Mackall <mpm@selenic.com> parents: 8312 diff changeset	211 i = ''
14334 85c82ebc96a3 changelog: don't use generaldelta Sune Foldager <cryo@cyanite.org> parents: 14333 diff changeset	212 self._initempty = True
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	213 try:
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	214 f = self.opener(self.indexfile)
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	215 i = f.read()
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	216 f.close()
4918 e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4746 diff changeset	217 if len(i) > 0:
8314 57a41c08feab revlog: preread revlog .i file Matt Mackall <mpm@selenic.com> parents: 8312 diff changeset	218 v = struct.unpack(versionformat, i[:4])[0]
14334 85c82ebc96a3 changelog: don't use generaldelta Sune Foldager <cryo@cyanite.org> parents: 14333 diff changeset	219 self._initempty = False
1322 b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	220 except IOError, inst:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	221 if inst.errno != errno.ENOENT:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	222 raise
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	223
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	224 self.version = v
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	225 self._inline = v & REVLOGNGINLINEDATA
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	226 self._generaldelta = v & REVLOGGENERALDELTA
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	227 flags = v & ~0xFFFF
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	228 fmt = v & 0xFFFF
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	229 if fmt == REVLOGV0 and flags:
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	230 raise RevlogError(_("index %s unknown flags %#04x for format v0")
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	231 % (self.indexfile, flags >> 16))
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	232 elif fmt == REVLOGNG and flags & ~REVLOGNG_FLAGS:
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	233 raise RevlogError(_("index %s unknown flags %#04x for revlogng")
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	234 % (self.indexfile, flags >> 16))
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	235 elif fmt > REVLOGNG:
3743 3a099154b110 Make revlog error slightly less scary Matt Mackall <mpm@selenic.com> parents: 3683 diff changeset	236 raise RevlogError(_("index %s unknown format %d")
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	237 % (self.indexfile, fmt))
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	238
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	239 self._io = revlogio()
4971 3e6dae278c99 revlog: regroup parsing code Matt Mackall <mpm@selenic.com> parents: 4920 diff changeset	240 if self.version == REVLOGV0:
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	241 self._io = revlogoldio()
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	242 try:
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	243 d = self._io.parseindex(i, self._inline)
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	244 except (ValueError, IndexError):
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	245 raise RevlogError(_("index %s is corrupted") % (self.indexfile))
13268 fff12b3d953a revlog: explicit test and explicit variable names Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13267 diff changeset	246 self.index, nodemap, self._chunkcache = d
fff12b3d953a revlog: explicit test and explicit variable names Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13267 diff changeset	247 if nodemap is not None:
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	248 self.nodemap = self._nodecache = nodemap
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	249 if not self._chunkcache:
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	250 self._chunkclear()
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	251
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	252 def tip(self):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	253 return self.node(len(self.index) - 2)
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	254 def __len__(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	255 return len(self.index) - 1
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	256 def __iter__(self):
17951 6f79c32c0bdf commit: increase perf by avoiding unnecessary filteredrevs check Durham Goode <durham@fb.com> parents: 17674 diff changeset	257 return iter(xrange(len(self)))
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	258 def revs(self, start=0, stop=None):
474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	259 """iterate over all rev in this revlog (from start to stop)"""
17975 c56b5b65430d revlog: allow reverse iteration with revlog.revs Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17972 diff changeset	260 step = 1
c56b5b65430d revlog: allow reverse iteration with revlog.revs Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17972 diff changeset	261 if stop is not None:
c56b5b65430d revlog: allow reverse iteration with revlog.revs Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17972 diff changeset	262 if start > stop:
c56b5b65430d revlog: allow reverse iteration with revlog.revs Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17972 diff changeset	263 step = -1
c56b5b65430d revlog: allow reverse iteration with revlog.revs Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17972 diff changeset	264 stop += step
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	265 else:
17975 c56b5b65430d revlog: allow reverse iteration with revlog.revs Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17972 diff changeset	266 stop = len(self)
c56b5b65430d revlog: allow reverse iteration with revlog.revs Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17972 diff changeset	267 return xrange(start, stop, step)
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	268
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	269 @util.propertycache
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	270 def nodemap(self):
14064 e4bfb9c337f3 remove unused imports and variables Alexander Solovyov <alexander@solovyov.net> parents: 13831 diff changeset	271 self.rev(self.node(0))
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	272 return self._nodecache
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	273
16374 29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	274 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	275 try:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	276 self.rev(node)
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	277 return True
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	278 except KeyError:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	279 return False
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	280
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	281 def clearcaches(self):
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	282 try:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	283 self._nodecache.clearcaches()
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	284 except AttributeError:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	285 self._nodecache = {nullid: nullrev}
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	286 self._nodepos = None
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	287
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	288 def rev(self, node):
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	289 try:
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	290 return self._nodecache[node]
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	291 except RevlogError:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	292 # parsers.c radix tree lookup failed
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	293 raise LookupError(node, self.indexfile, _('no node'))
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	294 except KeyError:
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	295 # pure python cache lookup failed
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	296 n = self._nodecache
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	297 i = self.index
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	298 p = self._nodepos
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	299 if p is None:
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	300 p = len(i) - 2
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	301 for r in xrange(p, -1, -1):
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	302 v = i[r][7]
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	303 n[v] = r
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	304 if v == node:
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	305 self._nodepos = r - 1
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	306 return r
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	307 raise LookupError(node, self.indexfile, _('no node'))
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	308
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	309 def node(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	310 return self.index[rev][7]
7361 9fe97eea5510 linkrev: take a revision number rather than a hash Matt Mackall <mpm@selenic.com> parents: 7233 diff changeset	311 def linkrev(self, rev):
9fe97eea5510 linkrev: take a revision number rather than a hash Matt Mackall <mpm@selenic.com> parents: 7233 diff changeset	312 return self.index[rev][4]
2 ecf3fd948051 Handle nullid better for ancestor mpm@selenic.com parents: 0 diff changeset	313 def parents(self, node):
7363 9d28ff207030 revlog: speed up parents() Matt Mackall <mpm@selenic.com> parents: 7362 diff changeset	314 i = self.index
9d28ff207030 revlog: speed up parents() Matt Mackall <mpm@selenic.com> parents: 7362 diff changeset	315 d = i[self.rev(node)]
9d28ff207030 revlog: speed up parents() Matt Mackall <mpm@selenic.com> parents: 7362 diff changeset	316 return i[d[5]][7], i[d[6]][7] # map revisions to nodes inline
2489 568e58eed096 Add revlog.parentrevs function. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2354 diff changeset	317 def parentrevs(self, rev):
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	318 return self.index[rev][5:7]
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	319 def start(self, rev):
5006 c2febf5420e9 revlog: minor chunk speed-up Matt Mackall <mpm@selenic.com> parents: 5005 diff changeset	320 return int(self.index[rev][0] >> 16)
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	321 def end(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	322 return self.start(rev) + self.length(rev)
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	323 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	324 return self.index[rev][1]
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	325 def chainbase(self, rev):
19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	326 index = self.index
19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	327 base = index[rev][3]
19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	328 while base != rev:
19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	329 rev = base
19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	330 base = index[rev][3]
19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	331 return base
11693 ff33f937a7da revlog: add a flags method that returns revision flags Pradeepkumar Gayam <in3xes@gmail.com> parents: 11670 diff changeset	332 def flags(self, rev):
ff33f937a7da revlog: add a flags method that returns revision flags Pradeepkumar Gayam <in3xes@gmail.com> parents: 11670 diff changeset	333 return self.index[rev][0] & 0xFFFF
12024 56a7721ee3ec revlog: add rawsize(), identical to size() but not subclassed by filelog Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12023 diff changeset	334 def rawsize(self, rev):
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	335 """return the length of the uncompressed text for a given revision"""
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	336 l = self.index[rev][2]
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	337 if l >= 0:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	338 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	339
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	340 t = self.revision(self.node(rev))
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	341 return len(t)
12024 56a7721ee3ec revlog: add rawsize(), identical to size() but not subclassed by filelog Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12023 diff changeset	342 size = rawsize
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	343
16868 eb88ed4269c5 revlog: add optional stoprev arg to revlog.ancestors() Joshua Redstone <joshua.redstone@fb.com> parents: 16867 diff changeset	344 def ancestors(self, revs, stoprev=0):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	345 """Generate the ancestors of 'revs' in reverse topological order.
16868 eb88ed4269c5 revlog: add optional stoprev arg to revlog.ancestors() Joshua Redstone <joshua.redstone@fb.com> parents: 16867 diff changeset	346 Does not generate revs lower than stoprev.
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	347
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	348 Yield a sequence of revision numbers starting with the parents
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	349 of each revision in revs, i.e., each revision is not considered
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	350 an ancestor of itself. Results are in breadth-first order:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	351 parents of each rev in revs, then parents of those, etc. Result
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	352 does not include the null revision."""
16834 cafd8a8fb713 util: subclass deque for Python 2.4 backwards compatibility Bryan O'Sullivan <bryano@fb.com> parents: 16803 diff changeset	353 visit = util.deque(revs)
8150 bbc24c0753a0 util: use built-in set and frozenset Martin Geisler <mg@lazybytes.net> parents: 8073 diff changeset	354 seen = set([nullrev])
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	355 while visit:
16803 107a3270a24a cleanup: use the deque type where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	356 for parent in self.parentrevs(visit.popleft()):
16868 eb88ed4269c5 revlog: add optional stoprev arg to revlog.ancestors() Joshua Redstone <joshua.redstone@fb.com> parents: 16867 diff changeset	357 if parent < stoprev:
eb88ed4269c5 revlog: add optional stoprev arg to revlog.ancestors() Joshua Redstone <joshua.redstone@fb.com> parents: 16867 diff changeset	358 continue
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	359 if parent not in seen:
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	360 visit.append(parent)
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	361 seen.add(parent)
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	362 yield parent
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	363
17008 553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	364 def incancestors(self, revs, stoprev=0):
553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	365 """Identical to ancestors() except it also generates the
553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	366 revisions, 'revs'"""
553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	367 for rev in revs:
553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	368 yield rev
553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	369 for rev in self.ancestors(revs, stoprev):
553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	370 yield rev
553e8f5aba7a revlog: add incancestors, a version of ancestors that includes revs listed Joshua Redstone <joshua.redstone@fb.com> parents: 16885 diff changeset	371
16867 1093ad1e8903 revlog: descendants(revs) becomes descendants(revs) (API) Bryan O'Sullivan <bryano@fb.com>* parents: 16866 diff changeset	372 def descendants(self, revs):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	373 """Generate the descendants of 'revs' in revision order.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	374
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	375 Yield a sequence of revision numbers starting with a child of
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	376 some rev in revs, i.e., each revision is not considered a
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	377 descendant of itself. Results are ordered by revision number (a
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	378 topological sort)."""
12950 2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	379 first = min(revs)
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	380 if first == nullrev:
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	381 for i in self:
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	382 yield i
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	383 return
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	384
8150 bbc24c0753a0 util: use built-in set and frozenset Martin Geisler <mg@lazybytes.net> parents: 8073 diff changeset	385 seen = set(revs)
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	386 for i in self.revs(start=first + 1):
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	387 for x in self.parentrevs(i):
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	388 if x != nullrev and x in seen:
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	389 seen.add(i)
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	390 yield i
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	391 break
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	392
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	393 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	394 """Return a tuple of the ancestors of common and the ancestors of heads
15835 fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	395 that are not ancestors of common. In revset terminology, we return the
fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	396 tuple:
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	397
15835 fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	398 ::common, (::heads) - (::common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	399
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	400 The list is sorted by revision number, meaning it is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	401 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	402
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	403 'heads' and 'common' are both lists of node IDs. If heads is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	404 not supplied, uses all of the revlog's heads. If common is not
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	405 supplied, uses nullid."""
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	406 if common is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	407 common = [nullid]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	408 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	409 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	410
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	411 common = [self.rev(n) for n in common]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	412 heads = [self.rev(n) for n in heads]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	413
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	414 # we want the ancestors, but inclusive
16866 91f3ac205816 revlog: ancestors(revs) becomes ancestors(revs) (API) Bryan O'Sullivan <bryano@fb.com>* parents: 16834 diff changeset	415 has = set(self.ancestors(common))
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	416 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	417 has.update(common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	418
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	419 # take all ancestors from heads that aren't in has
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	420 missing = set()
16834 cafd8a8fb713 util: subclass deque for Python 2.4 backwards compatibility Bryan O'Sullivan <bryano@fb.com> parents: 16803 diff changeset	421 visit = util.deque(r for r in heads if r not in has)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	422 while visit:
16803 107a3270a24a cleanup: use the deque type where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	423 r = visit.popleft()
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	424 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	425 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	426 else:
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	427 missing.add(r)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	428 for p in self.parentrevs(r):
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	429 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	430 visit.append(p)
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	431 missing = list(missing)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	432 missing.sort()
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	433 return has, [self.node(r) for r in missing]
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	434
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	435 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	436 """Return the revision numbers of the ancestors of heads that
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	437 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	438
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	439 More specifically, return a list of revision numbers corresponding to
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	440 nodes N such that every N satisfies the following constraints:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	441
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	442 1. N is an ancestor of some node in 'heads'
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	443 2. N is not an ancestor of any node in 'common'
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	444
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	445 The list is sorted by revision number, meaning it is
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	446 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	447
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	448 'heads' and 'common' are both lists of revision numbers. If heads is
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	449 not supplied, uses all of the revlog's heads. If common is not
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	450 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	451 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	452 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	453 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	454 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	455
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	456 return ancestor.missingancestors(heads, common, self.parentrevs)
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	457
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	458 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	459 """Return the ancestors of heads that are not ancestors of common.
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	460
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	461 More specifically, return a list of nodes N such that every N
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	462 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	463
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	464 1. N is an ancestor of some node in 'heads'
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	465 2. N is not an ancestor of any node in 'common'
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	466
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	467 The list is sorted by revision number, meaning it is
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	468 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	469
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	470 'heads' and 'common' are both lists of node IDs. If heads is
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	471 not supplied, uses all of the revlog's heads. If common is not
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	472 supplied, uses nullid."""
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	473 if common is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	474 common = [nullid]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	475 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	476 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	477
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	478 common = [self.rev(n) for n in common]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	479 heads = [self.rev(n) for n in heads]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	480
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	481 return [self.node(r) for r in
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	482 ancestor.missingancestors(heads, common, self.parentrevs)]
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	483
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	484 def nodesbetween(self, roots=None, heads=None):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	485 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	486
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	487 Return a tuple (nodes, outroots, outheads) where 'nodes' is a
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	488 topologically sorted list of all nodes N that satisfy both of
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	489 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	490
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	491 1. N is a descendant of some node in 'roots'
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	492 2. N is an ancestor of some node in 'heads'
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	493
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	494 Every node is considered to be both a descendant and an ancestor
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	495 of itself, so every reachable node in 'roots' and 'heads' will be
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	496 included in 'nodes'.
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	497
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	498 'outroots' is the list of reachable nodes in 'roots', i.e., the
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	499 subset of 'roots' that is returned in 'nodes'. Likewise,
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	500 'outheads' is the subset of 'heads' that is also in 'nodes'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	501
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	502 'roots' and 'heads' are both lists of node IDs. If 'roots' is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	503 unspecified, uses nullid as the only root. If 'heads' is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	504 unspecified, uses list of all of the revlog's heads."""
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	505 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	506 if roots is not None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	507 roots = list(roots)
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	508 if not roots:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	509 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	510 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	511 else:
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	512 roots = [nullid] # Everybody's a descendant of nullid
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	513 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	514 if (lowestrev == nullrev) and (heads is None):
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	515 # We want _all_ the nodes!
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	516 return ([self.node(r) for r in self], [nullid], list(self.heads()))
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	517 if heads is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	518 # All nodes are ancestors, so the latest ancestor is the last
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	519 # node.
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	520 highestrev = len(self) - 1
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	521 # Set ancestors to None to signal that every node is an ancestor.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	522 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	523 # Set heads to an empty dictionary for later discovery of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	524 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	525 else:
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	526 heads = list(heads)
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	527 if not heads:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	528 return nonodes
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	529 ancestors = set()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	530 # Turn heads into a dictionary so we can remove 'fake' heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	531 # Also, later we will be using it to filter out the heads we can't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	532 # find from roots.
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	533 heads = dict.fromkeys(heads, False)
3360 ef8307585b41 nodesbetween: fix a bug with duplicate heads Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3335 diff changeset	534 # Start at the top and keep marking parents until we're done.
8163 62d7287fe6b0 rebase, revlog: use set(x) instead of set(x.keys()) Martin Geisler <mg@lazybytes.net> parents: 8153 diff changeset	535 nodestotag = set(heads)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	536 # Remember where the top was so we can use it as a limit later.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	537 highestrev = max([self.rev(n) for n in nodestotag])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	538 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	539 # grab a node to tag
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	540 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	541 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	542 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	543 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	544 # A node's revision number represents its place in a
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	545 # topologically sorted list of nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	546 r = self.rev(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	547 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	548 if n not in ancestors:
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	549 # If we are possibly a descendant of one of the roots
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	550 # and we haven't already been marked as an ancestor
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	551 ancestors.add(n) # Mark as ancestor
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	552 # Add non-nullid parents to list of nodes to tag.
8153 616f20e1004a revlog: let nodestotag be a set instead of a list Martin Geisler <mg@lazybytes.net> parents: 8152 diff changeset	553 nodestotag.update([p for p in self.parents(n) if
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	554 p != nullid])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	555 elif n in heads: # We've seen it before, is it a fake head?
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	556 # So it is, real heads should not be the ancestors of
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	557 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	558 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	559 if not ancestors:
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	560 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	561 # Now that we have our set of ancestors, we want to remove any
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	562 # roots that are not ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	563
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	564 # If one of the roots was nullid, everything is included anyway.
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	565 if lowestrev > nullrev:
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	566 # But, since we weren't, let's recompute the lowest rev to not
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	567 # include roots that aren't ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	568
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	569 # Filter out roots that aren't ancestors of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	570 roots = [n for n in roots if n in ancestors]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	571 # Recompute the lowest revision
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	572 if roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	573 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	574 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	575 # No more roots? Return empty list
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	576 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	577 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	578 # We are descending from nullid, and don't need to care about
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	579 # any other roots.
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	580 lowestrev = nullrev
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	581 roots = [nullid]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	582 # Transform our roots list into a set.
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	583 descendants = set(roots)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	584 # Also, keep the original roots so we can filter out roots that aren't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	585 # 'real' roots (i.e. are descended from other roots).
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	586 roots = descendants.copy()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	587 # Our topologically sorted list of output nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	588 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	589 # Don't start at nullid since we don't want nullid in our output list,
17483 fe3b26048140 spelling: descendants timeless@mozdev.org parents: 17150 diff changeset	590 # and if nullid shows up in descendants, empty parents will look like
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	591 # they're descendants.
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	592 for r in self.revs(start=max(lowestrev, 0), stop=highestrev + 1):
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	593 n = self.node(r)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	594 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	595 if lowestrev == nullrev: # Everybody is a descendant of nullid
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	596 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	597 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	598 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	599 isdescendant = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	600 # This check only needs to be done here because all the roots
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	601 # will start being marked is descendants before the loop.
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	602 if n in roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	603 # If n was a root, check if it's a 'real' root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	604 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	605 # If any of its parents are descendants, it's not a root.
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	606 if (p[0] in descendants) or (p[1] in descendants):
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	607 roots.remove(n)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	608 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	609 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	610 # A node is a descendant if either of its parents are
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	611 # descendants. (We seeded the dependents list with the roots
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	612 # up there, remember?)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	613 if (p[0] in descendants) or (p[1] in descendants):
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	614 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	615 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	616 if isdescendant and ((ancestors is None) or (n in ancestors)):
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	617 # Only include nodes that are both descendants and ancestors.
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	618 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	619 if (ancestors is not None) and (n in heads):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	620 # We're trying to figure out which heads are reachable
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	621 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	622 # Mark this head as having been reached
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	623 heads[n] = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	624 elif ancestors is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	625 # Otherwise, we're trying to discover the heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	626 # Assume this is a head because if it isn't, the next step
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	627 # will eventually remove it.
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	628 heads[n] = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	629 # But, obviously its parents aren't.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	630 for p in self.parents(n):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	631 heads.pop(p, None)
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	632 heads = [n for n, flag in heads.iteritems() if flag]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	633 roots = list(roots)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	634 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	635 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	636 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	637 return (orderedout, roots, heads)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	638
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	639 def headrevs(self):
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16762 diff changeset	640 try:
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16762 diff changeset	641 return self.index.headrevs()
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16762 diff changeset	642 except AttributeError:
17674 e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	643 return self._headrevs()
e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	644
e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	645 def _headrevs(self):
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	646 count = len(self)
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	647 if not count:
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	648 return [nullrev]
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	649 # we won't iter over filtered rev so nobody is a head at start
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	650 ishead = [0] * (count + 1)
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	651 index = self.index
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	652 for r in self:
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	653 ishead[r] = 1 # I may be an head
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	654 e = index[r]
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	655 ishead[e[5]] = ishead[e[6]] = 0 # my parent are not
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	656 return [r for r, val in enumerate(ishead) if val]
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	657
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	658 def heads(self, start=None, stop=None):
1550 ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1535 diff changeset	659 """return the list of all nodes that have no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	660
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	661 if start is specified, only heads that are descendants of
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	662 start will be returned
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	663 if stop is specified, it will consider all the revs from stop
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	664 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	665 """
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	666 if start is None and stop is None:
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	667 if not len(self):
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	668 return [nullid]
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	669 return [self.node(r) for r in self.headrevs()]
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	670
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	671 if start is None:
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	672 start = nullid
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	673 if stop is None:
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	674 stop = []
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	675 stoprevs = set([self.rev(n) for n in stop])
1550 ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1535 diff changeset	676 startrev = self.rev(start)
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	677 reachable = set((startrev,))
7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	678 heads = set((startrev,))
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	679
2490 6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	680 parentrevs = self.parentrevs
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	681 for r in self.revs(start=startrev + 1):
2490 6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	682 for p in parentrevs(r):
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	683 if p in reachable:
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	684 if r not in stoprevs:
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	685 reachable.add(r)
7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	686 heads.add(r)
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	687 if p in heads and p not in stoprevs:
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	688 heads.remove(p)
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	689
2490 6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	690 return [self.node(r) for r in heads]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	691
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	692 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	693 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	694 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	695 p = self.rev(node)
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	696 for r in self.revs(start=p + 1):
4746 62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	697 prevs = [pr for pr in self.parentrevs(r) if pr != nullrev]
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	698 if prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	699 for pr in prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	700 if pr == p:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	701 c.append(self.node(r))
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	702 elif p == nullrev:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	703 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	704 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	705
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	706 def descendant(self, start, end):
12949 6878eaa5a40d revlog: if start is nullrev, end is always a descendant Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12890 diff changeset	707 if start == nullrev:
6878eaa5a40d revlog: if start is nullrev, end is always a descendant Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12890 diff changeset	708 return True
16867 1093ad1e8903 revlog: descendants(revs) becomes descendants(revs) (API) Bryan O'Sullivan <bryano@fb.com>* parents: 16866 diff changeset	709 for i in self.descendants([start]):
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	710 if i == end:
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	711 return True
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	712 elif i > end:
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	713 break
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	714 return False
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	715
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	716 def ancestor(self, a, b):
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	717 """calculate the least common ancestor of nodes a and b"""
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	718
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	719 # fast path, check if it is a descendant
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	720 a, b = self.rev(a), self.rev(b)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	721 start, end = sorted((a, b))
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	722 if self.descendant(start, end):
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	723 return self.node(start)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	724
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	725 def parents(rev):
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	726 return [p for p in self.parentrevs(rev) if p != nullrev]
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	727
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	728 c = ancestor.ancestor(a, b, parents)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	729 if c is None:
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	730 return nullid
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	731
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	732 return self.node(c)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	733
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	734 def _match(self, id):
16762 93f8b9565257 revlog: don't handle long for revision matching Matt Mackall <mpm@selenic.com> parents: 16686 diff changeset	735 if isinstance(id, int):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	736 # rev
2641 156fb1feab62 lookup should allow -1 to represent nullid (if passed an int as arg) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 2600 diff changeset	737 return self.node(id)
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	738 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	739 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	740 # odds of a binary node being all hex in ASCII are 1 in 10**25
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	741 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	742 node = id
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	743 self.rev(node) # quick search the index
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	744 return node
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	745 except LookupError:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	746 pass # may be partial hex id
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	747 try:
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	748 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	749 rev = int(id)
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	750 if str(rev) != id:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	751 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	752 if rev < 0:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	753 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	754 if rev < 0 or rev >= len(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	755 raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	756 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	757 except (ValueError, OverflowError):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	758 pass
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	759 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	760 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	761 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	762 node = bin(id)
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	763 self.rev(node)
3157 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3156 diff changeset	764 return node
7062 efc579fdaf69 provide nicer feedback when an unknown node id is passed to a command Sune Foldager <cryo@cyanite.org> parents: 6912 diff changeset	765 except (TypeError, LookupError):
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	766 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	767
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	768 def _partialmatch(self, id):
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	769 try:
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	770 return self.index.partialmatch(id)
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	771 except RevlogError:
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	772 # parsers.c radix tree lookup gave multiple matches
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	773 raise LookupError(id, self.indexfile, _("ambiguous identifier"))
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	774 except (AttributeError, ValueError):
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	775 # we are pure python, or key was too short to search radix tree
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	776 pass
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	777
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	778 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	779 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	780
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	781 if len(id) < 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	782 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	783 # hex(node)[:...]
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	784 l = len(id) // 2 # grab an even number of digits
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	785 prefix = bin(id[:l * 2])
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	786 nl = [e[7] for e in self.index if e[7].startswith(prefix)]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	787 nl = [n for n in nl if hex(n).startswith(id)]
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	788 if len(nl) > 0:
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	789 if len(nl) == 1:
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	790 self._pcache[id] = nl[0]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	791 return nl[0]
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	792 raise LookupError(id, self.indexfile,
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	793 _('ambiguous identifier'))
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	794 return None
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	795 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	796 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	797
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	798 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	799 """locate a node based on:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	800 - revision number or str(revision number)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	801 - nodeid or subset of hex nodeid
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	802 """
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	803 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	804 if n is not None:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	805 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	806 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	807 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	808 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	809
6228 c0c4c7b1e8d3 revlog: report node and file when lookup fails Matt Mackall <mpm@selenic.com> parents: 6212 diff changeset	810 raise LookupError(id, self.indexfile, _('no match found'))
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	811
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	812 def cmp(self, node, text):
11539 a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	813 """compare text with a given file revision
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	814
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	815 returns True if text is different than what is stored.
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	816 """
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	817 p1, p2 = self.parents(node)
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	818 return hash(text, p1, p2) != node
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	819
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	820 def _addchunk(self, offset, data):
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	821 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	822 # try to add to existing cache
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	823 if o + len(d) == offset and len(d) + len(data) < _chunksize:
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	824 self._chunkcache = o, d + data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	825 else:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	826 self._chunkcache = offset, data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	827
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	828 def _loadchunk(self, offset, length):
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	829 if self._inline:
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	830 df = self.opener(self.indexfile)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	831 else:
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	832 df = self.opener(self.datafile)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	833
16533 95698ee29181 revlog: backout e5750c6716eb Matt Mackall <mpm@selenic.com> parents: 16435 diff changeset	834 readahead = max(65536, length)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	835 df.seek(offset)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	836 d = df.read(readahead)
15407 ee112eb69d2a misc: adding missing file close() calls Matt Mackall <mpm@selenic.com> parents: 15057 diff changeset	837 df.close()
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	838 self._addchunk(offset, d)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	839 if readahead > length:
16423 a150923b49ba revlog: avoid an expensive string copy Bryan O'Sullivan <bryano@fb.com> parents: 16418 diff changeset	840 return util.buffer(d, 0, length)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	841 return d
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	842
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	843 def _getchunk(self, offset, length):
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	844 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	845 l = len(d)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	846
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	847 # is it in the cache?
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	848 cachestart = offset - o
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	849 cacheend = cachestart + length
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	850 if cachestart >= 0 and cacheend <= l:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	851 if cachestart == 0 and cacheend == l:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	852 return d # avoid a copy
16423 a150923b49ba revlog: avoid an expensive string copy Bryan O'Sullivan <bryano@fb.com> parents: 16418 diff changeset	853 return util.buffer(d, cachestart, cacheend - cachestart)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	854
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	855 return self._loadchunk(offset, length)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	856
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	857 def _chunkraw(self, startrev, endrev):
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	858 start = self.start(startrev)
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	859 length = self.end(endrev) - start
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	860 if self._inline:
6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	861 start += (startrev + 1) * self._io.size
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	862 return self._getchunk(start, length)
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	863
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	864 def _chunk(self, rev):
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	865 return decompress(self._chunkraw(rev, rev))
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	866
14075 bc101902a68d revlog: introduce _chunkbase to allow filelog to override Sune Foldager <cryo@cyanite.org> parents: 14064 diff changeset	867 def _chunkbase(self, rev):
bc101902a68d revlog: introduce _chunkbase to allow filelog to override Sune Foldager <cryo@cyanite.org> parents: 14064 diff changeset	868 return self._chunk(rev)
bc101902a68d revlog: introduce _chunkbase to allow filelog to override Sune Foldager <cryo@cyanite.org> parents: 14064 diff changeset	869
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	870 def _chunkclear(self):
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	871 self._chunkcache = (0, '')
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	872
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	873 def deltaparent(self, rev):
14195 0013d3eeb826 revlog: remove support for parentdelta Sune Foldager <cryo@cyanite.org> parents: 14164 diff changeset	874 """return deltaparent of the given revision"""
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	875 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	876 if base == rev:
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	877 return nullrev
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	878 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	879 return base
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	880 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	881 return rev - 1
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	882
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	883 def revdiff(self, rev1, rev2):
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	884 """return or calculate a delta between two revisions"""
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	885 if rev1 != nullrev and self.deltaparent(rev2) == rev1:
16423 a150923b49ba revlog: avoid an expensive string copy Bryan O'Sullivan <bryano@fb.com> parents: 16418 diff changeset	886 return str(self._chunk(rev2))
5005 72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	887
16424 ff63d71ac8ab revlog: drop some unneeded rev.node calls in revdiff Matt Mackall <mpm@selenic.com> parents: 16423 diff changeset	888 return mdiff.textdiff(self.revision(rev1),
ff63d71ac8ab revlog: drop some unneeded rev.node calls in revdiff Matt Mackall <mpm@selenic.com> parents: 16423 diff changeset	889 self.revision(rev2))
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	890
16375 d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	891 def revision(self, nodeorrev):
16435 df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c) Patrick Mezard <patrick@mezard.eu> parents: 16424 diff changeset	892 """return an uncompressed revision of a given node or revision
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c) Patrick Mezard <patrick@mezard.eu> parents: 16424 diff changeset	893 number.
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c) Patrick Mezard <patrick@mezard.eu> parents: 16424 diff changeset	894 """
16375 d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	895 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	896 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	897 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	898 else:
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	899 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	900 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	901
11996 3195cf01dfb9 revlog.revision(): don't use nullrev as the default value for the cache Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11995 diff changeset	902 cachedrev = None
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	903 if node == nullid:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	904 return ""
11930 12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	905 if self._cache:
12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	906 if self._cache[0] == node:
12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	907 return self._cache[2]
11995 ff84cd2bdfaf revlog.revision(): minor cleanup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11963 diff changeset	908 cachedrev = self._cache[1]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	909
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	910 # look up what we need to read
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	911 text = None
16375 d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	912 if rev is None:
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	913 rev = self.rev(node)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	914
5004 825516d16b25 revlog: move flag checking out of the offset fastpath Matt Mackall <mpm@selenic.com> parents: 4996 diff changeset	915 # check rev flags
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	916 if self.flags(rev) & ~REVIDX_KNOWN_FLAGS:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	917 raise RevlogError(_('incompatible revision flag %x') %
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	918 (self.flags(rev) & ~REVIDX_KNOWN_FLAGS))
5004 825516d16b25 revlog: move flag checking out of the offset fastpath Matt Mackall <mpm@selenic.com> parents: 4996 diff changeset	919
11995 ff84cd2bdfaf revlog.revision(): minor cleanup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11963 diff changeset	920 # build delta chain
11998 e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	921 chain = []
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	922 index = self.index # for performance
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	923 generaldelta = self._generaldelta
11998 e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	924 iterrev = rev
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	925 e = index[iterrev]
19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	926 while iterrev != e[3] and iterrev != cachedrev:
11998 e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	927 chain.append(iterrev)
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	928 if generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	929 iterrev = e[3]
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	930 else:
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	931 iterrev -= 1
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	932 e = index[iterrev]
11998 e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	933 chain.reverse()
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	934 base = iterrev
11995 ff84cd2bdfaf revlog.revision(): minor cleanup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11963 diff changeset	935
11998 e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	936 if iterrev == cachedrev:
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	937 # cache hit
9420 d0db168136dc manifest/revlog: do not let the revlog cache mutable objects Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 9029 diff changeset	938 text = self._cache[2]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	939
11754 6ccd130eab0e revlog: drop cache after use to save memory footprint Matt Mackall <mpm@selenic.com> parents: 11539 diff changeset	940 # drop cache to save memory
6ccd130eab0e revlog: drop cache after use to save memory footprint Matt Mackall <mpm@selenic.com> parents: 11539 diff changeset	941 self._cache = None
6ccd130eab0e revlog: drop cache after use to save memory footprint Matt Mackall <mpm@selenic.com> parents: 11539 diff changeset	942
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	943 self._chunkraw(base, rev)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	944 if text is None:
16423 a150923b49ba revlog: avoid an expensive string copy Bryan O'Sullivan <bryano@fb.com> parents: 16418 diff changeset	945 text = str(self._chunkbase(base))
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	946
11930 12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	947 bins = [self._chunk(r) for r in chain]
4989 1aaed3d69772 revlog: eliminate diff and patches functions Matt Mackall <mpm@selenic.com> parents: 4988 diff changeset	948 text = mdiff.patches(text, bins)
13239 12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	949
13276 ba6a63339f7c revlog: pass rev to _checkhash Matt Mackall <mpm@selenic.com> parents: 13275 diff changeset	950 text = self._checkhash(text, node, rev)
13239 12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	951
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	952 self._cache = (node, rev, text)
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	953 return text
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	954
13276 ba6a63339f7c revlog: pass rev to _checkhash Matt Mackall <mpm@selenic.com> parents: 13275 diff changeset	955 def _checkhash(self, text, node, rev):
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	956 p1, p2 = self.parents(node)
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	957 if node != hash(text, p1, p2):
1402 9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1400 diff changeset	958 raise RevlogError(_("integrity check failed on %s:%d")
8643 648af8a6aa41 revlog: report indexfile rather than datafile for integrity check Matt Mackall <mpm@selenic.com> parents: 8641 diff changeset	959 % (self.indexfile, rev))
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	960 return text
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	961
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	962 def checkinlinesize(self, tr, fp=None):
10913 f2ecc5733c89 revlog: factor out _maxinline global. Greg Ward <greg-hg@gerg.ca> parents: 10404 diff changeset	963 if not self._inline or (self.start(-2) + self.length(-2)) < _maxinline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	964 return
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	965
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	966 trinfo = tr.find(self.indexfile)
8527 f9a80054dd3c use 'x is None' instead of 'x == None' Martin Geisler <mg@lazybytes.net> parents: 8464 diff changeset	967 if trinfo is None:
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	968 raise RevlogError(_("%s not found in the transaction")
69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	969 % self.indexfile)
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	970
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	971 trindex = trinfo[2]
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	972 dataoff = self.start(trindex)
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	973
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	974 tr.add(self.datafile, dataoff)
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	975
8317 5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	976 if fp:
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	977 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	978 fp.close()
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	979
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	980 df = self.opener(self.datafile, 'w')
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	981 try:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	982 for r in self:
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	983 df.write(self._chunkraw(r, r))
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	984 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	985 df.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	986
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	987 fp = self.opener(self.indexfile, 'w', atomictemp=True)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	988 self.version &= ~(REVLOGNGINLINEDATA)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	989 self._inline = False
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	990 for i in self:
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	991 e = self._io.packentry(self.index[i], self.node, self.version, i)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	992 fp.write(e)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	993
15057 774da7121fc9 atomictempfile: make close() consistent with other file-like objects. Greg Ward <greg@gerg.ca> parents: 14960 diff changeset	994 # if we don't call close, the temp file will never replace the
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	995 # real index
15057 774da7121fc9 atomictempfile: make close() consistent with other file-like objects. Greg Ward <greg@gerg.ca> parents: 14960 diff changeset	996 fp.close()
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	997
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	998 tr.replace(self.indexfile, trindex * self._io.size)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	999 self._chunkclear()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1000
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	1001 def addrevision(self, text, transaction, link, p1, p2, cachedelta=None):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1002 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1003
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1004 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1005 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1006 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1007 p1, p2 - the parent nodeids of the revision
12012 bade7a9c5c07 revlog: fix docstring Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12011 diff changeset	1008 cachedelta - an optional precomputed delta
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1009 """
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	1010 node = hash(text, p1, p2)
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	1011 if node in self.nodemap:
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	1012 return node
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	1013
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1014 dfh = None
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1015 if not self._inline:
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1016 dfh = self.opener(self.datafile, "a")
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1017 ifh = self.opener(self.indexfile, "a+")
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1018 try:
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	1019 return self._addrevision(node, text, transaction, link, p1, p2,
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	1020 cachedelta, ifh, dfh)
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1021 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1022 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1023 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1024 ifh.close()
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1025
17128 1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1026 def compress(self, text):
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1027 """ generate a possibly-compressed representation of text """
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1028 if not text:
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1029 return ("", text)
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1030 l = len(text)
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1031 bin = None
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1032 if l < 44:
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1033 pass
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1034 elif l > 1000000:
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1035 # zlib makes an internal copy, thus doubling memory usage for
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1036 # large files, so lets do this in pieces
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1037 z = zlib.compressobj()
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1038 p = []
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1039 pos = 0
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1040 while pos < l:
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1041 pos2 = pos + 2**20
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1042 p.append(z.compress(text[pos:pos2]))
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1043 pos = pos2
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1044 p.append(z.flush())
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1045 if sum(map(len, p)) < l:
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1046 bin = "".join(p)
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1047 else:
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1048 bin = _compress(text)
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1049 if bin is None or len(bin) > l:
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1050 if text[0] == '\0':
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1051 return ("", text)
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1052 return ('u', text)
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1053 return ("", bin)
1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1054
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	1055 def _addrevision(self, node, text, transaction, link, p1, p2,
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	1056 cachedelta, ifh, dfh):
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	1057 """internal function to add revisions to the log
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1058
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	1059 see addrevision for argument descriptions.
c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	1060 invariants:
c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	1061 - text is optional (can be None); if not set, cachedelta must be set.
17424 e7cfe3587ea4 fix trivial spelling errors Mads Kiilerich <mads@kiilerich.com> parents: 17150 diff changeset	1062 if both are set, they must correspond to each other.
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	1063 """
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1064 btext = [text]
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1065 def buildtext():
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1066 if btext[0] is not None:
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1067 return btext[0]
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1068 # flush any pending writes here so we can read it in revision
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1069 if dfh:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1070 dfh.flush()
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1071 ifh.flush()
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1072 basetext = self.revision(self.node(cachedelta[0]))
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1073 btext[0] = mdiff.patch(basetext, cachedelta[1])
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1074 chk = hash(btext[0], p1, p2)
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1075 if chk != node:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1076 raise RevlogError(_("consistency error in delta"))
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1077 return btext[0]
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1078
12888 ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1079 def builddelta(rev):
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1080 # can we use the cached delta?
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1081 if cachedelta and cachedelta[0] == rev:
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1082 delta = cachedelta[1]
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1083 else:
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1084 t = buildtext()
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1085 ptext = self.revision(self.node(rev))
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1086 delta = mdiff.textdiff(ptext, t)
17128 1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1087 data = self.compress(delta)
12888 ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1088 l = len(data[1]) + len(data[0])
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	1089 if basecache[0] == rev:
14270 d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1090 chainbase = basecache[1]
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	1091 else:
14270 d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1092 chainbase = self.chainbase(rev)
17150 3ac9592b7ab4 backout e7167007c083 Matt Mackall <mpm@selenic.com> parents: 17139 diff changeset	1093 dist = l + offset - self.start(chainbase)
14270 d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1094 if self._generaldelta:
d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1095 base = rev
d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1096 else:
d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1097 base = chainbase
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	1098 return dist, l, data, base, chainbase
12888 ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	1099
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1100 curr = len(self)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1101 prev = curr - 1
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	1102 base = chainbase = curr
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1103 offset = self.end(prev)
11931 6051db1327f8 revlog: append delta against p1 Pradeepkumar Gayam <in3xes@gmail.com> parents: 11930 diff changeset	1104 flags = 0
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	1105 d = None
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	1106 basecache = self._basecache
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	1107 p1r, p2r = self.rev(p1), self.rev(p2)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1108
11963 7c3aa579d98a parendelta: fix computation of base rev (fixes issue2337) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11962 diff changeset	1109 # should we try to build a delta?
12890 b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	1110 if prev != nullrev:
14270 d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1111 if self._generaldelta:
14301 f94993769c87 revlog: improve delta generation heuristics for generaldelta Sune Foldager <cryo@cyanite.org> parents: 14296 diff changeset	1112 if p1r >= basecache[1]:
f94993769c87 revlog: improve delta generation heuristics for generaldelta Sune Foldager <cryo@cyanite.org> parents: 14296 diff changeset	1113 d = builddelta(p1r)
f94993769c87 revlog: improve delta generation heuristics for generaldelta Sune Foldager <cryo@cyanite.org> parents: 14296 diff changeset	1114 elif p2r >= basecache[1]:
f94993769c87 revlog: improve delta generation heuristics for generaldelta Sune Foldager <cryo@cyanite.org> parents: 14296 diff changeset	1115 d = builddelta(p2r)
f94993769c87 revlog: improve delta generation heuristics for generaldelta Sune Foldager <cryo@cyanite.org> parents: 14296 diff changeset	1116 else:
f94993769c87 revlog: improve delta generation heuristics for generaldelta Sune Foldager <cryo@cyanite.org> parents: 14296 diff changeset	1117 d = builddelta(prev)
14270 d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1118 else:
d6907a5674a2 revlog: support writing generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14253 diff changeset	1119 d = builddelta(prev)
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	1120 dist, l, data, base, chainbase = d
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1121
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1122 # full versions are inserted when the needed deltas
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1123 # become comparable to the uncompressed text
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1124 if text is None:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1125 textlen = mdiff.patchedsize(self.rawsize(cachedelta[0]),
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1126 cachedelta[1])
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1127 else:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1128 textlen = len(text)
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	1129 if d is None or dist > textlen * 2:
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1130 text = buildtext()
17128 1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	1131 data = self.compress(text)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1132 l = len(data[1]) + len(data[0])
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	1133 base = chainbase = curr
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1134
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1135 e = (offset_type(offset, flags), l, textlen,
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	1136 base, link, p1r, p2r, node)
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1137 self.index.insert(-1, e)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1138 self.nodemap[node] = curr
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1139
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	1140 entry = self._io.packentry(e, self.node, self.version, curr)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1141 if not self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1142 transaction.add(self.datafile, offset)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1143 transaction.add(self.indexfile, curr * len(entry))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1144 if data[0]:
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1145 dfh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1146 dfh.write(data[1])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1147 dfh.flush()
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1148 ifh.write(entry)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1149 else:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1150 offset += curr * self._io.size
5324 8409a2e3a78d revlog: fix inlined revision transaction extra data (issue 749) Patrick Mezard <pmezard@gmail.com> parents: 5007 diff changeset	1151 transaction.add(self.indexfile, offset, curr)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1152 ifh.write(entry)
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1153 ifh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1154 ifh.write(data[1])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1155 self.checkinlinesize(transaction, ifh)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1156
9420 d0db168136dc manifest/revlog: do not let the revlog cache mutable objects Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 9029 diff changeset	1157 if type(text) == str: # only accept immutable objects
d0db168136dc manifest/revlog: do not let the revlog cache mutable objects Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 9029 diff changeset	1158 self._cache = (node, curr, text)
14296 62e25c63fb3a revlog: fix bug in chainbase cache Sune Foldager <cryo@cyanite.org> parents: 14292 diff changeset	1159 self._basecache = (curr, chainbase)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1160 return node
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1161
14365 a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1162 def group(self, nodelist, bundler, reorder=None):
9437 1c4e4004f3a6 Improve some docstrings relating to changegroups and prepush(). Greg Ward <greg-hg@gerg.ca> parents: 9420 diff changeset	1163 """Calculate a delta group, yielding a sequence of changegroup chunks
1c4e4004f3a6 Improve some docstrings relating to changegroups and prepush(). Greg Ward <greg-hg@gerg.ca> parents: 9420 diff changeset	1164 (strings).
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1165
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1166 Given a list of changeset revs, return a set of deltas and
11999 62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1167 metadata corresponding to nodes. The first delta is
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1168 first parent(nodelist[0]) -> nodelist[0], the receiver is
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1169 guaranteed to have this parent as it has all history before
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1170 these changesets. In the case firstparent is nullrev the
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1171 changegroup starts with a full revision.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1172 """
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1173
14523 b4175b72bbd8 revlog: bail out earlier in group when we have no chunks Sune Foldager <cryo@cyanite.org> parents: 14494 diff changeset	1174 # if we don't have any revisions touched by these changesets, bail
b4175b72bbd8 revlog: bail out earlier in group when we have no chunks Sune Foldager <cryo@cyanite.org> parents: 14494 diff changeset	1175 if len(nodelist) == 0:
b4175b72bbd8 revlog: bail out earlier in group when we have no chunks Sune Foldager <cryo@cyanite.org> parents: 14494 diff changeset	1176 yield bundler.close()
b4175b72bbd8 revlog: bail out earlier in group when we have no chunks Sune Foldager <cryo@cyanite.org> parents: 14494 diff changeset	1177 return
b4175b72bbd8 revlog: bail out earlier in group when we have no chunks Sune Foldager <cryo@cyanite.org> parents: 14494 diff changeset	1178
14365 a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1179 # for generaldelta revlogs, we linearize the revs; this will both be
a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1180 # much quicker and generate a much smaller bundle
a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1181 if (self._generaldelta and reorder is not False) or reorder:
a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1182 dag = dagutil.revlogdag(self)
a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1183 revs = set(self.rev(n) for n in nodelist)
a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1184 revs = dag.linearize(revs)
a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1185 else:
a8e3931e3fb5 revlog: linearize created changegroups in generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14334 diff changeset	1186 revs = sorted([self.rev(n) for n in nodelist])
8634 7659eecd9da2 changegroup: the node list might be an empty generator (fix issue1678) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8624 diff changeset	1187
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1188 # add the parent of the first rev
8391 27bffd81d265 revlog: slightly tune group() by not going rev->node->rev Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 8318 diff changeset	1189 p = self.parentrevs(revs[0])[0]
27bffd81d265 revlog: slightly tune group() by not going rev->node->rev Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 8318 diff changeset	1190 revs.insert(0, p)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1191
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1192 # build deltas
13768 10aea25fb519 revlog: change variable name to avoid reuse Matt Mackall <mpm@selenic.com> parents: 13741 diff changeset	1193 for r in xrange(len(revs) - 1):
14143 da635d3c5620 changegroup: new bundler API Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14141 diff changeset	1194 prev, curr = revs[r], revs[r + 1]
da635d3c5620 changegroup: new bundler API Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14141 diff changeset	1195 for c in bundler.revchunk(self, curr, prev):
13831 d69c9510d648 changegroup: introduce bundler objects Matt Mackall <mpm@selenic.com> parents: 13785 diff changeset	1196 yield c
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1197
13831 d69c9510d648 changegroup: introduce bundler objects Matt Mackall <mpm@selenic.com> parents: 13785 diff changeset	1198 yield bundler.close()
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1199
12335 e21fe9c5fb25 bundle: get rid of chunkiter Matt Mackall <mpm@selenic.com> parents: 12025 diff changeset	1200 def addgroup(self, bundle, linkmapper, transaction):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1201 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1202 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1203
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1204 given a set of deltas, add them to the revision log. the
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1205 first delta is against its parent, which should be in our
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1206 log, the rest are against the previous delta.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1207 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1208
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1209 # track the base of the current delta log
15890 e234eda20984 revlog: make addgroup returns a list of node contained in the added source Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15835 diff changeset	1210 content = []
2002 4aab906517c6 Calling revlog.addgroup with an empty changegroup now raises RevlogError. Thomas Arendsen Hein <thomas@intevation.de> parents: 1981 diff changeset	1211 node = None
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1212
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1213 r = len(self)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1214 end = 0
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1215 if r:
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1216 end = self.end(r - 1)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1217 ifh = self.opener(self.indexfile, "a+")
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1218 isize = r * self._io.size
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1219 if self._inline:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1220 transaction.add(self.indexfile, end + isize, r)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1221 dfh = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1222 else:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1223 transaction.add(self.indexfile, isize, r)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1224 transaction.add(self.datafile, end)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1225 dfh = self.opener(self.datafile, "a")
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1226
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1227 try:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1228 # loop through our set of deltas
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1229 chain = None
14494 1ffeeb91c55d check-code: flag 0/1 used as constant Boolean expression Martin Geisler <mg@lazybytes.net> parents: 14393 diff changeset	1230 while True:
14144 3c3c53d8343a unbundler: separate delta and header parsing Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14143 diff changeset	1231 chunkdata = bundle.deltachunk(chain)
12336 9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1232 if not chunkdata:
12335 e21fe9c5fb25 bundle: get rid of chunkiter Matt Mackall <mpm@selenic.com> parents: 12025 diff changeset	1233 break
12336 9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1234 node = chunkdata['node']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1235 p1 = chunkdata['p1']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1236 p2 = chunkdata['p2']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1237 cs = chunkdata['cs']
14141 bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	1238 deltabase = chunkdata['deltabase']
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	1239 delta = chunkdata['delta']
12336 9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1240
15890 e234eda20984 revlog: make addgroup returns a list of node contained in the added source Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15835 diff changeset	1241 content.append(node)
e234eda20984 revlog: make addgroup returns a list of node contained in the added source Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15835 diff changeset	1242
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1243 link = linkmapper(cs)
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	1244 if node in self.nodemap:
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1245 # this can happen if two branches make the same change
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1246 chain = node
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1247 continue
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1248
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1249 for p in (p1, p2):
16686 67964cda8701 cleanup: "not x in y" -> "x not in y" Brodie Rao <brodie@sf.io> parents: 16665 diff changeset	1250 if p not in self.nodemap:
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	1251 raise LookupError(p, self.indexfile,
e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	1252 _('unknown parent'))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1253
14141 bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	1254 if deltabase not in self.nodemap:
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	1255 raise LookupError(deltabase, self.indexfile,
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	1256 _('unknown delta base'))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1257
14141 bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	1258 baserev = self.rev(deltabase)
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1259 chain = self._addrevision(node, None, transaction, link,
14141 bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	1260 p1, p2, (baserev, delta), ifh, dfh)
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1261 if not dfh and not self._inline:
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1262 # addrevision switched from inline to conventional
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1263 # reopen the index
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	1264 ifh.close()
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1265 dfh = self.opener(self.datafile, "a")
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1266 ifh = self.opener(self.indexfile, "a")
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1267 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1268 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1269 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1270 ifh.close()
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1271
15890 e234eda20984 revlog: make addgroup returns a list of node contained in the added source Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15835 diff changeset	1272 return content
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1273
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	1274 def strip(self, minlink, transaction):
5910 b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1275 """truncate the revlog on the first revision with a linkrev >= minlink
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1276
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1277 This function is called when we're stripping revision minlink and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1278 its descendants from the repository.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1279
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1280 We have to remove all revisions with linkrev >= minlink, because
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1281 the equivalent changelog revisions will be renumbered after the
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1282 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1283
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1284 So we truncate the revlog on the first of these revisions, and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1285 trust that the caller has saved the revisions that shouldn't be
15827 1dacf7672556 revlog: clarify strip docstring "readd" -> "re-add" Steven Brown <StevenGBrown@gmail.com> parents: 15407 diff changeset	1286 removed and that it'll re-add them after this truncation.
5910 b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1287 """
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1288 if len(self) == 0:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1289 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1290
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1291 for rev in self:
5909 f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1292 if self.index[rev][4] >= minlink:
f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1293 break
f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1294 else:
f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1295 return
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1296
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1297 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1298 end = self.start(rev)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1299 if not self._inline:
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	1300 transaction.add(self.datafile, end)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1301 end = rev * self._io.size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1302 else:
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1303 end += rev * self._io.size
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1304
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	1305 transaction.add(self.indexfile, end)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1306
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1307 # then reset internal state in memory to forget those revisions
4984 b4066fcbd6ba revlog: mark cache private Matt Mackall <mpm@selenic.com> parents: 4983 diff changeset	1308 self._cache = None
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1309 self._chunkclear()
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1310 for x in xrange(rev, len(self)):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1311 del self.nodemap[self.node(x)]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1312
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1313 del self.index[rev:-1]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1314
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1315 def checksize(self):
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1316 expected = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1317 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1318 expected = max(0, self.end(len(self) - 1))
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1319
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1320 try:
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1321 f = self.opener(self.datafile)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1322 f.seek(0, 2)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1323 actual = f.tell()
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	1324 f.close()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1325 dd = actual - expected
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1326 except IOError, inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1327 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1328 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1329 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1330
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1331 try:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1332 f = self.opener(self.indexfile)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1333 f.seek(0, 2)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1334 actual = f.tell()
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	1335 f.close()
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1336 s = self._io.size
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	1337 i = max(0, actual // s)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1338 di = actual - (i * s)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1339 if self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1340 databytes = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1341 for r in self:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	1342 databytes += max(0, self.length(r))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1343 dd = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1344 di = actual - len(self) * s - databytes
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1345 except IOError, inst:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1346 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1347 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1348 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1349
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1350 return (dd, di)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1351
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1352 def files(self):
10282 08a0f04b56bd many, many trivial check-code fixups Matt Mackall <mpm@selenic.com> parents: 10264 diff changeset	1353 res = [self.indexfile]
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1354 if not self._inline:
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1355 res.append(self.datafile)
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1356 return res

Mercurial > public > mercurial-scm > hg

annotate mercurial/revlog.py @ 17975:c56b5b65430d